Other after-treatment of sulfur

Other after-treatment of sulfur · Cooperative Patent Classification (CPC)

Chemical and metallurgical processes, compounds, and materials.

Related technology areas

Mapped technology topics for this CPC code.

CPC classification statistics
MetricValue
CPC codeC01B17/0243
Official title{Other after-treatment of sulfur}
Display labelOther after-treatment of sulfur
Total patents35

Filing trend

Year-over-year patent counts classified under this CPC code.

Filing activity over the last five years is rapidly declining.

Patents filed per year
YearPatents
20152
20163
20173
20184
20193
20204
20215
20224
20231
20245
20251

Representative patents

Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.

Frequently asked questions

Answers are generated from the same data shown on this page.

What is CPC C01B17/0243?
CPC C01B17/0243 is the Cooperative Patent Classification code for “Other after-treatment of sulfur.”
How many patents are filed under CPC C01B17/0243 (Other after-treatment of sulfur)?
Our database includes 35 publications tagged with this CPC code.
Is patent activity under CPC C01B17/0243 growing?
Publication counts under this code: 5 in 2024 vs 1 in 2025 (latest complete years).